What is difference between expression and identities
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An expression is a group of numbers, variables and operators. On the other hand an equation relates two expressions by an equality sign. When an equation is satisfied for all values of variable forming the expressions, it is termed as an identity.
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An expression is a group of numbers, variables and operators. ... When an equation is satisfied for all values of variable forming the expressions, it is termed as an identity. Thus an identity is a special case of an equation. In other words all identities are equations but not all equations are identities.
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